Comment on

• Surveillance of antituberculosis drug resistance in Switzerland 1995-1997: the central link.

  Helbling P, Altpeter E, Raeber PA, Pfyffer GE, Zellweger JP. Helbling P, et al. Eur Respir J. 2000 Aug;16(2):200-2. doi: 10.1034/j.1399-3003.2000.16b03.x. Eur Respir J. 2000. PMID: 10968491
• Standardization of antituberculosis drug resistance surveillance in Europe. Recommendations of a World Health Organization (WHO) and International Union Against Tuberculosis and Lung Disease (IUATLD) Working Group.

  Schwoebel V, Lambregts-van Weezenbeek CS, Moro ML, Drobniewski F, Hoffner SE, Raviglione MC, Rieder HL. Schwoebel V, et al. Eur Respir J. 2000 Aug;16(2):364-71. Eur Respir J. 2000. PMID: 10968516 Review.